Van Heurck -- Synopsis des Diatomées de Belgique -- Index
| Navicula | [stylized drawing] coupe ideale d'un Navicula | Page -- | Plate 5 | Figure A | |
| Navicula | abrupta (W.Greg.) Donkin | Page 94 | Plate 10 | Figure 4 | |
| Navicula | abrupta var. [Van Heurck] = Navicula abrupta (W.Greg.) Donkin | Page -- | Plate 10 | Figure 4 | |
| Navicula | acuminata Kütz. = Pleurosigma acuminatum (Kütz.) Grunow | Page -- | Plate 21 | Figure 12 | |
| Navicula | affinis var. Van Heurck = Navicula iridis var. affinis Van Heurck | Page -- | Plate 13 | Figure 4 | |
| Navicula | alata Ehrenb. = Amphiprora alata (Ehrenb.) Kütz. | Page -- | Plate 22 | Figure 11,12 | |
| Navicula | alpestris Grunow | Page -- | Plate 12 | Figure 30 | |
| Navicula | ambigua Ehrenb. | Page 100 | Plate 12 | Figure 5 | |
| Navicula | ambigua f. craticula Van Heurck | Page 100 | Plate 12 | Figure 6 | Note 123 |
| Navicula | americana Ehrenb. | Page 105 | Plate 12 | Figure 37 | |
| Navicula | amphigomphus Ehrenb. = Navicula iridis var amphigomphys Ehrenb. | Page -- | Plate 13 | Figure 2 | |
| Navicula | amphirhynchus Ehrenb. = Navicula iridis var. amphirhynchus (Ehrenb.) Van Heurck | Page -- | Plate 13 | Figure 5 | |
| Navicula | amphisbaena Bory | Page 102 | Plate 11 | Figure 7 | |
| Navicula | amphisbaena var. fenzlii (Grunow) Van Heurck | Page 102 | Plate 11 | Figure 5 | |
| Navicula | amphisbaena var. subsalina (Donkin) Van Heurck | Page 102 | Plate 11 | Figure 6 | |
| Navicula | amphisbaena var. subsalina f. major Van Heurck | Page 102 | Plate 11 | Figure 4 | |
| Navicula | amphisbaena var. ? [W.Sm.] = Navicula amphisbaena var. subsalina (Donkin) Van Heurck | Page -- | Plate 11 | Figure 6 | |
| Navicula | anglica Ralfs | Page 87 | Plate 8 | Figure 29,30 | |
| Navicula | anglica var subsalina Grunow | Page 87 | Plate 8 | Figure 31 | |
| Navicula | angulosa var. [Van Heurck] = Navicula palpebralis var. angulosa (W.Greg.) Van Heurck | Page -- | Plate 11 | Figure 10 | |
| Navicula | angulosa W.Greg. = Navicula palpebralis var. angulosa (W.Greg.) Van Heurck | Page 97 | Plate 11 | Figure 10 | |
| Navicula | angusta Grunow | Page -- | Plate 7 | Figure 17 | |
| Navicula | aponina Kütz. | Page -- | Plate 12 | Figure 15 | |
| Navicula | appendiculata (C.Agardh) Kütz. | Page 79 | Plate 6 | Figure 18,20 | |
| Navicula | appendiculata var. ? budensis Grunow = Navicula budensis Grunow | Page -- | Plate 6 | Figure 27,28 | |
| Navicula | appendiculata var. ? naveana Grunow = Navicula naveana Grunow | Page -- | Plate 6 | Figure 29 | |
| Navicula | appendiculata var. irrorata Grunow | Page -- | Plate 6 | Figure 30,31 | |
| Navicula | arcus Ehrenb. = Ceratoneis arcus (Ehrenb.) Kütz. | Page -- | Plate 37 | Figure 7 | |
| Navicula | arenaria Donkin = Navicula lanceolata var. arenaria (Donkin) Van Heurck | Page 88 | Plate 8 | Figure 18 | |
| Navicula | arenaria var. ? [Grunow] = Navicula lanceolata var. arenaria (Donkin) Van Heurck | Page -- | Plate 8 | Figure 18 | |
| Navicula | aspera (Ehrenb.) Donkin | Page 94 | Plate 10 | Figure 13 | |
| Navicula | aspera Ehrenb. | Page 94 | Plate sB | Figure 26 | Note 124 |
| Navicula | atomoides [?] Grunow = Navicula minima Grunow ? | Page -- | Plate 14 | Figure 16 [a] | Note 125 |
| Navicula | atomoides f. magis stauroneiformis Grunow | Page -- | Plate 14 | Figure 13,14 | |
| Navicula | atomoides Grunow | Page 107 | Plate 14 | Figure 11ab, 12 | |
| Navicula | atomoides var. [Grunow] = Navicula atomoides Grunow | Page -- | Plate 14 | Figure 11a | |
| Navicula | atomoides var. subserians Grunow | Page -- | Plate 14 | Figure 11b | |
| Navicula | atomus (Autor nec Kütz.) = Navicula muralis f. minuta Grunow | Page -- | Plate 14 | Figure 26 | Note 126 |
| Navicula | atomus formae tenuistriatae Grunow | Page -- | Plate 14 | Figure 25 | Note 127 |
| Navicula | atomus Grunow [partim?] = Navicula atomoides Grunow | Page -- | Plate 14 | Figure 12 | |
| Navicula | atomus Nägeli [sic] | Page 107 | Plate 14 | Figure 24 | Note 128 |
| Navicula | avenacea Bréb. = Navicula viridula var. avenacea Grunow | Page 84 | Plate 7 | Figure 27 | |
| Navicula | bacillaris var. ? fontinalis Grunow = Navicula fontinalis Grunow | Page -- | Plate 12 | Figure 33 | |
| Navicula | bacillaris var. inconstantissima Grunow? | Page -- | Plate 12 | Figure 28 | |
| Navicula | bacillaris var. thermalis Grunow | Page -- | Plate 12 | Figure 27 | |
| Navicula | bacilliformis Grunow | Page -- | Plate 13 | Figure 11 | |
| Navicula | bacillum Ehrenb. | Page 105 | Plate 13 | Figure 8 | |
| Navicula | bacillum f. minor Grunow | Page 105 | Plate 13 | Figure 10 | |
| Navicula | balnearis Grunow | Page -- | Plate 10 | Figure 8 | |
| Navicula | baltica Ehrenb. = Pleurosigma balticum (Ehrenb.) W.Sm. | Page -- | Plate 20 | Figure 1 | |
| Navicula | barkeriana O'Meara ? = Navicula amphisbaena var. subsalina f. major Van Heurck | Page -- | Plate 11 | Figure 4 | |
| Navicula | barklayana W.Greg. ? = Navicula palpebralis var. barklayana (W.Greg.) Van Heurck | Page 97 | Plate 11 | Figure 12 | |
| Navicula | barklayana f. minor, obtusa Van Heurck = Navicula palpebralis var. barklayana (W.Greg. ?) Van Heurck | Page -- | Plate 11 | Figure 12 | |
| Navicula | bicapitata Lagerst. | Page 78 | Plate 6 | Figure 14 | |
| Navicula | bicapitata var. hybrida Grunow | Page -- | Plate 6 | Figure 9 | |
| Navicula | biceps Ehrenb., partim = Navicula sphaerophora Kütz. | Page -- | Plate 12 | Figure 3 | |
| Navicula | biceps W.Greg. = Navicula bicapitata Lagerst. | Page -- | Plate 6 | Figure 14 | |
| Navicula | binodis W.Sm. | Page 108 | Plate sB | Figure 33 | |
| Navicula | bipunctata Grunow | Page -- | Plate 13 | Figure 7 | |
| Navicula | bomboides A.W.F.Schmidt | Page 89 | Plate sB | Figure 19 | |
| Navicula | bombus Ehrenb. | Page 90 | Plate sB | Figure 22 | |
| Navicula | borealis (Ehrenb.) Kütz. | Page 76 | Plate 6 | Figure 3 | |
| Navicula | borealis f. evidentius punctata Grunow | Page -- | Plate 6 | Figure 4 | |
| Navicula | bottnica Grunow | Page -- | Plate 7 | Figure 33 | Note 129 |
| Navicula | braunii Grunow | Page 79 | Plate 6 | Figure 21 | |
| Navicula | brébissonii Kütz. | Page 77 | Plate 5 | Figure 7 | |
| Navicula | brébissonii var. diminuta Grunow | Page 77 | Plate 5 | Figure 8 | |
| Navicula | brébissonii var. subproducta Grunow | Page 77 | Plate 5 | Figure 9 | |
| Navicula | brevis var. Grunow = Navicula brevis var. elliptica Van Heurck | Page -- | Plate 11 | Figure 18 | |
| Navicula | brevis var. elliptica Van Heurck | Page 97 | Plate 11 | Figure 18 | |
| Navicula | brevis W.Greg. | Page 97 | Plate 11 | Figure 19 | Note 130 |
| Navicula | brevistriata Grunow | Page -- | Plate 6 | Figure 5 | |
| Navicula | budensis Grunow | Page -- | Plate 6 | Figure 27,28 | |
| Navicula | bulnheimii Grunow | Page 108 | Plate 14 | Figure 6[a] | |
| Navicula | bulnheimii var. belgica Grunow | Page 108 | Plate ? | Figure ? | |
| Navicula | cancellata Donkin | Page 86 | Plate sA | Figure 16 | |
| Navicula | cancellata var. ammophila Grunow | Page 86 | Plate ? | Figure ? | |
| Navicula | cancellata var. scaldensis Van Heurck | Page 86 | Plate sA | Figure 17 | |
| Navicula | carassius Ehrenb., partim ? = Navicula cocconeiformis W.Greg. | Page -- | Plate 14 | Figure 1 | |
| Navicula | cardinalis Ehrenb. | Page 74 | Plate sA | Figure 5 | |
| Navicula | cari var. angusta Grunow = Navicula angusta Grunow | Page -- | Plate 7 | Figure 17 | |
| Navicula | cari Ehrenb. | Page -- | Plate 7 | Figure 11 | |
| Navicula | cesatii Rabenh. | Page 88 | Plate 8 | Figure 35 | |
| Navicula | cincta (Ehrenb.) Kütz. | Page 82 | Plate 7 | Figure 13,14 | |
| Navicula | cincta f. minuta Van Heurck | Page 82 | Plate ? | Figure ? | Note 131 |
| Navicula | cincta var. heufleri Grunow | Page 82 | Plate 7 | Figure 12,15 | |
| Navicula | cincta var. leptocephala (Bréb.) Grunow | Page 82 | Plate 7 | Figure 16 | |
| Navicula | clavata W.Greg. = Navicula hennedyi var. clavata (W.Greg.) Van Heurck | Page 93 | Plate ? | Figure ? | |
| Navicula | claviculus Arn. = Navicula leptosoma Grunow | Page -- | Plate 12 | Figure 29 | |
| Navicula | cocconeiformis W.Greg. | Page -- | Plate 14 | Figure 1 | |
| Navicula | confervacea (Kütz.) Grunow | Page -- | Plate 14 | Figure 36 | |
| Navicula | confervacea var. hungarica Grunow | Page -- | Plate 14 | Figure 38 | |
| Navicula | confervacea var. peregrina (W.Sm.) Grunow | Page -- | Plate 14 | Figure 37 | |
| Navicula | contenta Grunow | Page 109 | Plate 14 | Figure 31[a] | |
| Navicula | contenta var. biceps (Arn.) Grunow | Page 109 | Plate 14 | Figure 31b | |
| Navicula | convexa W.Sm. = Scoliopleura latestriata (Bréb.) Grunow | Page -- | Plate 17 | Figure 12 | |
| Navicula | costulata Grunow | Page 85 | Plate sA | Figure 15 | |
| Navicula | crabro var. multicostata Grunow = Navicula crabro (Ehrenb.) Kütz. | Page -- | Plate 9 | Figure 2 | |
| Navicula | crabro (Ehrenb.) Kütz. | Page 89 | Plate 9 | Figure 1,2 | |
| Navicula | crabro var. pandura (Bréb.) Van Heurck = Navicula crabro (Ehrenb.) Kütz. | Page -- | Plate 9 | Figure 1 | |
| Navicula | crassinerva Bréb. = Vanheurckia rhomboides var. crassinerva (Bréb.) Grunow | Page 112 | Plate 17 | Figure 4,5 | |
| Navicula | crucicula (W.Sm.) Donkin | Page 96 | Plate 10 | Figure 15 | |
| Navicula | crucicula var. protracta Grunow | Page 96 | Plate sB | Figure 27 | |
| Navicula | cruciformis Donkin | Page 74 | Plate sA | Figure 8 | |
| Navicula | cryptocephala Kütz. | Page 84 | Plate 8 | Figure 1,5 | |
| Navicula | cryptocephala var. exilis Grunow | Page 85 | Plate 8 | Figure 2,4 | |
| Navicula | cryptocephala var. intermedia Van Heurck | Page 84 | Plate 8 | Figure 10 | Note 132 |
| Navicula | cryptocephala var. lancettula (Schum.) Grunow = Navicula lancettula Schum. | Page -- | Plate 8 | Figure 11 | |
| Navicula | cryptocephala var. veneta (Kütz.) Rabenh. | Page 85 | Plate 8 | Figure 3 | Note 133 |
| Navicula | cryptocephala W.Sm. = Navicula gregaria Donkin | Page -- | Plate 8 | Figure 12,13,14,15 | |
| Navicula | curvula Ehrenb. ? = Pleurosigma spencerii var. curvula Grunow | Page -- | Plate 21 | Figure 3,4,5 | |
| Navicula | cuspidata Kütz. | Page 100 | Plate 12 | Figure 4 | |
| Navicula | cuspidata var. halophila Grunow | Page 100 | Plate sB | Figure 30 | |
| Navicula | cymbula Donkin | Page -- | Plate 7 | Figure 32 | |
| Navicula | cyprinus (Ehrenb. ?) W.Sm. = Navicula digito-radiata var. cyprinus (Ehrenb.) Van Heurck | Page 86 | Plate 7 | Figure 3 | |
| Navicula | dactylus (Ehrenb.) Kütz. = Navicula nobilis var. dactylus (Ehrenb.) Van Heurck | Page 73 | Plate 5 | Figure 1 | |
| Navicula | dactylus f. maxima Van Heurck = Navicula nobilis var. dactylus (Ehrenb.) Van Heurck | Page -- | Plate 5 | Figure 1 | |
| Navicula | delognei Van Heurck = Schizonema grevillei C. Agardh | Page 110 | Plate 11 | Figure 13 | |
| Navicula | dicephala Ehrenb. | Page 87 | Plate 8 | Figure 33,34 | Note 134 |
| Navicula | dicephala Ehrenb., partim ? = Navicula viridula var. slesvicensis Grunow | Page -- | Plate 7 | Figure 28,29 | |
| Navicula | dicephala Ehrenb., partim = Navicula bicapitata Lagerst. | Page -- | Plate 6 | Figure 14 | |
| Navicula | dicephala f. minor Grunow = Navicula dicephala Ehrenb. | Page -- | Plate 8 | Figure 33 | |
| Navicula | didyma Ehrenb. | Page 90 | Plate 9 | Figure 5,6 | |
| Navicula | didyma Ehrenb. | Page 90 | Plate sB | Figure 20 | |
| Navicula | difficilis Grunow | Page -- | Plate 12 | Figure 16,17 | |
| Navicula | digito-radiata (W.Greg.) Ralfs | Page 86 | Plate 7 | Figure 4 | |
| Navicula | digito-radiata var. cyprinus (Ehrenb.) Van Heurck | Page 86 | Plate 7 | Figure 3 | |
| Navicula | distans (W.Sm.) Ralfs | Page 87 | Plate sA | Figure 18 | |
| Navicula | divergentissima Grunow | Page -- | Plate 6 | Figure 32 | |
| Navicula | elginensis (W.Greg.) Ralfs = ? Navicula dicephala Ehrenb. | Page -- | Plate 8 | Figure 34 | |
| Navicula | elliptica Kütz. | Page 92 | Plate 10 | Figure 10 | |
| Navicula | elliptica var. minima Van Heurck | Page 92 | Plate 10 | Figure 11 | |
| Navicula | elliptica var. minutissima Grunow = Navicula elliptica var. minima Van Heurck | Page -- | Plate 10 | Figure 11 | |
| Navicula | elliptica var. oblongella (Nägeli) Grunow | Page 92 | Plate 10 | Figure 12 | |
| Navicula | exigua W.Greg. = Navicula gastrum (Ehrenb.) Donkin | Page -- | Plate 8 | Figure 32 | |
| Navicula | exilis Grunow | Page 101 | Plate 12 | Figure 11,12 | |
| Navicula | exilis Kütz., partim = Navicula exilis Grunow | Page -- | Plate 12 | Figure 11,12 | |
| Navicula | exilis Kütz., partim = Navicula cincta var. leptocephala (Bréb.) Grunow | Page -- | Plate 7 | Figure 16 | |
| Navicula | exilis Kütz., partim = Navicula cryptocephala var. exilis Grunow | Page -- | Plate 8 | Figure 2,4 | |
| Navicula | exilis Kütz., partim = Navicula falaisensis Grunow | Page -- | Plate 14 | Figure 5 | |
| Navicula | exilis Kütz., partim = Navicula lancettula Schum. | Page -- | Plate 8 | Figure 11 | |
| Navicula | exilissima Grunow | Page 108 | Plate 14 | Figure 30 | |
| Navicula | falaisensis Grunow | Page 108 | Plate 14 | Figure 5 | Note 135 |
| Navicula | falaisensis var. ? lanceola Grunow | Page -- | Plate 14 | Figure 6b | |
| Navicula | fasciata Lagerst. | Page -- | Plate 12 | Figure 34 | |
| Navicula | fenzlii Grunow = Navicula amphisbaena var. fenzlii (Grunow) Van Heurck | Page -- | Plate 11 | Figure 5 | |
| Navicula | firma Ehrenb. = Navicula iridis Ehrenb. | Page 103 | Plate 13 | Figure 1 | |
| Navicula | flotowii Grunow | Page 109 | Plate 14 | Figure 41 | |
| Navicula | fonticola Grunow | Page -- | Plate 12 | Figure 32 | |
| Navicula | fontinalis Grunow | Page 103 | Plate 12 | Figure 33 | |
| Navicula | forcipata Grev. | Page 94 | Plate 10 | Figure 3 | |
| Navicula | forcipata var. suborbicularis Grunow | Page -- | Plate 10 | Figure 5 | |
| Navicula | forcipata var. versicolor Grunow | Page -- | Plate 10 | Figure 6 | |
| Navicula | formosa var. ? liburnica Grunow = Navicula liburnica Grunow | Page -- | Plate 11 | Figure 3 | |
| Navicula | formosa W.Greg. | Page 102 | Plate 11 | Figure 2 | Note 136 |
| Navicula | fusca W.Greg. | Page 91 | Plate sB | Figure 24 | |
| Navicula | fusiformis var. ostrearia (Gaillon) Grunow | Page -- | Plate 14 | Figure 33 | |
| Navicula | gallica (W.Sm.) Van Heurck | Page 108 | Plate 14 | Figure 39 | |
| Navicula | gastroides W.Greg. = Navicula pusilla W.Sm. | Page -- | Plate 11 | Figure 17 | |
| Navicula | gastrum (Ehrenb.) Donkin | Page 87 | Plate 8 | Figure 25,27,32 | |
| Navicula | gastrum f. minor Grunow = Navicula gastrum (Ehrenb.) Donkin | Page -- | Plate 8 | Figure 27 | |
| Navicula | gastrum var. ? exigua (W.Greg.) Grunow = Navicula gastrum (Ehrenb.) Donkin | Page -- | Plate 8 | Figure 32 | |
| Navicula | gastrum var. placentula (Ehrenb.) Van Heurck | Page 87 | Plate 8 | Figure 26,28 | |
| Navicula | gibba Kütz. | Page 78 | Plate sA | Figure 12 | |
| Navicula | gibba var. brevistriata Grunow = Navicula breviastriata Grunow | Page 78 | Plate 6 | Figure 5 | |
| Navicula | gibberula Kütz. = Navicula limosa var. gibberula (Kütz.) Grunow | Page 103 | Plate 12 | Figure 19 | |
| Navicula | globiceps W.Greg. | Page 79 | Plate sA | Figure 13 | |
| Navicula | gomphonemacea Grunow | Page -- | Plate 12 | Figure 13 | |
| Navicula | gottlandica Grunow | Page -- | Plate 8 | Figure 8 | |
| Navicula | gracilis Ehrenb. | Page 83 | Plate 7 | Figure 7,8 | Note 137 |
| Navicula | gracilis var. [Grunow] = Navicula gracilis var. schizonemoides Van Heurck | Page 83 | Plate 7 | Figure 9,10 | |
| Navicula | gracilis var. schizonemoides Van Heurck | Page 83 | Plate 7 | Figure 9,10 | |
| Navicula | gracillima var. [Grunow] | Page -- | Plate 6 | Figure 24 | |
| Navicula | granulata Bréb. | Page 98 | Plate 11 | Figure 15 | |
| Navicula | granulata f. minor Van Heurck = Navicula granulata Bréb. | Page 98 | Plate 11 | Figure 15 | |
| Navicula | granum Schum. ? = Navicula laevissima (Kütz. ?) Grunow | Page -- | Plate 13 | Figure 13 | |
| Navicula | gregaria Donkin | Page 85 | Plate 8 | Figure 12,13,14,15 | |
| Navicula | grunowii O'Meara = Navicula amphisbaena var. fenzlii (Grunow) Van Heurck | Page -- | Plate 11 | Figure 5 | |
| Navicula | hemiptera auct. nec Kütz. = Navicula viridis var. commutata Grunow | Page 73 | Plate 5 | Figure 6 | |
| Navicula | hennedyi var. clavata (W.Greg.) Van Heurck | Page 93 | Plate ? | Figure ? | |
| Navicula | hennedyi W.Sm. | Page 93 | Plate 9 | Figure 14 | |
| Navicula | heufleri Grunow = Navicula cincta var. heufleri Grunow | Page -- | Plate 7 | Figure 12,15 | |
| Navicula | hilseana Janisch | Page 77 | Plate sA | Figure 11 | |
| Navicula | hippocampus Ehrenb. = Pleurosigma hippocampus (Ehrenb.) W.Sm. | Page -- | Plate 20 | Figure 3 | |
| Navicula | humerosa Bréb. | Page 98 | Plate 11 | Figure 20 | |
| Navicula | humilis Donkin | Page 85 | Plate 11 | Figure 23 | |
| Navicula | incerta Grunow | Page 107 | Plate 14 | Figure 43 | |
| Navicula | integra W.Sm. | Page 96 | Plate 11 | Figure 22 | |
| Navicula | interrupta Kütz. | Page 89 | Plate 9 | Figure 7,8 | |
| Navicula | interrupta Kütz. var. Van Heurck = Navicula interrupta Kütz. | Page -- | Plate 9 | Figure 8 | |
| Navicula | iridis Ehrenb. | Page 103 | Plate 13 | Figure 1 | |
| Navicula | iridis var. [Grunow] = Navicula iridis Ehrenb. | Page -- | Plate 13 | Figure 1 | |
| Navicula | iridis var. affinis Van Heurck | Page 104 | Plate 13 | Figure 4 | |
| Navicula | iridis var. amphigomphus Ehrenb. | Page 104 | Plate 13 | Figure 2 | |
| Navicula | iridis var. amphirhynchus (Ehrenb.) Van Heurck | Page 104 | Plate 13 | Figure 5 | |
| Navicula | iridis var. dubia Ehrenb. | Page 104 | Plate sB | Figure 32 | |
| Navicula | iridis var. producta (W.Sm.) Van Heurck | Page 104 | Plate 13 | Figure 3 | |
| Navicula | iridis var. undulata Grunow | Page 104 | Plate 13 | Figure 6 | |
| Navicula | jenneri W.Sm. = Scoliopleura tumida (Bréb.) Rabenh. | Page -- | Plate 17 | Figure 11 | |
| Navicula | johnsonii (W. Sm.) O'Meara | Page 99 | Plate sB | Figure 28 | |
| Navicula | johnsonii var. belgica Van Heurck | Page 99 | Plate sB | Figure 29 | |
| Navicula | kamorthensis Grunow | Page -- | Plate ? | Figure ? | Note 138 |
| Navicula | kotschyana Grunow | Page -- | Plate 10 | Figure 22 | |
| Navicula | lacunarum Grunow | Page -- | Plate 12 | Figure 31 | |
| Navicula | laevissima (Kütz. ?) Grunow | Page -- | Plate 13 | Figure 13 | |
| Navicula | lamprocampa Kütz. ? = Nitzschia lamprocampa Hantzsch | Page -- | Plate 64 | Figure 3 | Note 139 |
| Navicula | lanceolata f. curta Grunow | Page 88 | Plate 8 | Figure 17 | Note 140 |
| Navicula | lanceolata Kütz. | Page 88 | Plate 8 | Figure 16 | |
| Navicula | lanceolata var. ? [Grunow] = Navicula lanceolata (Kütz.) Van Heurck | Page -- | Plate 8 | Figure 40 | |
| Navicula | lanceolata var. arenaria (Donkin) Van Heurck | Page 88 | Plate 8 | Figure 18 | |
| Navicula | lanceolata var. phyllepta (Kütz.) Van Heurck | Page 88 | Plate 8 | Figure 40 | |
| Navicula | lancettula Schum. | Page -- | Plate 8 | Figure 11 | |
| Navicula | lata Bréb. | Page 76 | Plate 6 | Figure 1,2 | |
| Navicula | lata var. minor W.Greg. | Page 76 | Plate ? | Figure ? | Note 141 |
| Navicula | legumen Ehrenb. | Page 80 | Plate 6 | Figure 16 | |
| Navicula | legumen f. vix undulata Van Heurck | Page -- | Plate 6 | Figure 17 | |
| Navicula | legumen var. decrescens Grunow = Navicula legumen Ehrenb. | Page -- | Plate 6 | Figure 16 | |
| Navicula | lepida f. curta. Grunow | Page -- | Plate 13 | Figure 12 | |
| Navicula | lepidula Grunow | Page 108 | Plate 14 | Figure 42 | |
| Navicula | leptocephala Bréb. = Navicula cincta var. leptocephala (Bréb.) Grunow | Page -- | Plate 7 | Figure 16 | |
| Navicula | leptogongyla Ehrenb., partim ? = Navicula laevissima (Kütz. ?) Grunow | Page -- | Plate 13 | Figure 13 | |
| Navicula | leptogongyla var. stauroneiformis ? = Navicula stauroptera Grunow | Page -- | Plate 6 | Figure 7 | |
| Navicula | leptosoma Grunow | Page -- | Plate 12 | Figure 29 | |
| Navicula | liber var. linearis (Grunow) Van Heurck | Page 105 | Plate 12 | Figure 35 | |
| Navicula | liber W. Sm. | Page 104 | Plate 12 | Figure 36 | |
| Navicula | liburnica Grunow | Page 102 | Plate 11 | Figure 3 | |
| Navicula | limosa Kütz. | Page 103 | Plate 12 | Figure 18 | |
| Navicula | limosa var. ? silicula Grunow = Navicula silicula Grunow | Page -- | Plate 12 | Figure 21 | |
| Navicula | limosa var. ? ventricosa (Ehrenb. ?) Grunow = Navicula ventricosa (Ehrenb.?) Donkin | Page -- | Plate 12 | Figure 24 | |
| Navicula | limosa var. curta Grunow | Page -- | Plate 12 | Figure 23 | |
| Navicula | limosa var. gibberula (Kütz.) Grunow | Page 103 | Plate 12 | Figure 19 | |
| Navicula | limosa var. subinflata Grunow | Page -- | Plate 12 | Figure 20 | |
| Navicula | limosa var. undulata Grunow | Page -- | Plate 12 | Figure 22 | |
| Navicula | linearis Grunow = Navicula liber var. linearis (Grunow) Van Heurck | Page -- | Plate 12 | Figure 35 | |
| Navicula | lineolata Ehrenb. = Amphora lineolata E+G280hr. | Page 57 | Plate 1 | Figure 23 | |
| Navicula | lineolata Ehrenb. = Navicula serians Bréb. | Page -- | Plate 12 | Figure 7 | |
| Navicula | littoralis Donkin | Page 92 | Plate sB | Figure 25 | |
| Navicula | lucidula Grunow | Page -- | Plate 14 | Figure 40 | |
| Navicula | lyra Ehrenb. | Page 93 | Plate 10 | Figure 1,2 | Note 142 |
| Navicula | lyra var. abrupta W.Greg. = Navicula abrupta (W.Greg.) Donkin | Page 94 | Plate 10 | Figure 4 | |
| Navicula | major Kütz. | Page 73 | Plate 5 | Figure 3,4 | |
| Navicula | marina Ralfs | Page 98 | Plate 11 | Figure 16 | |
| Navicula | menisculus Schum. = Navicula peregrina var. menisculus (Schum.) Grunow | Page -- | Plate 8 | Figure 20,21,22 | |
| Navicula | menisculus var. upsalensis Grunow = Navicula peregrina var. menisculus f. upsaliensis (Grunow) Van Heurck | Page -- | Plate 8 | Figure 23,24 | Note 143 |
| Navicula | meniscus Schum. = Navicula peregrina var. meniscus (Schum.) Grunow | Page -- | Plate 8 | Figure 19 | |
| Navicula | mesolepta Ehrenb. | Page 79 | Plate 6 | Figure 10,11 | |
| Navicula | mesolepta var. stauroneiformis Grunow | Page -- | Plate 6 | Figure 15 | |
| Navicula | mesolepta var. termes Van Heurck | Page 80 | Plate 6 | Figure 12,13 | |
| Navicula | mesolepta var. [Van Heurck] = Navicula mesolepta Ehrenb. | Page -- | Plate 6 | Figure 10,11 | |
| Navicula | mesolyta [error in key. Should read N. polyonca] | ? | Figure ? | ||
| Navicula | microcephala Grunow | Page -- | Plate 14 | Figure 29 | |
| Navicula | minima [?] Grunow | Page -- | Plate 14 | Figure 16 [a] | Note 144 |
| Navicula | minima Grunow | Page 107 | Plate 14 | Figure 15 | |
| Navicula | miniscula var. bahusiensis Grunow | Page -- | Plate 14 | Figure 2 | |
| Navicula | miniscula var. istriana Grunow | Page -- | Plate 14 | Figure 4 | |
| Navicula | minor W.Greg. = Navicula palpebralis var. minor Grunow | Page -- | Plate 11 | Figure 11 | |
| Navicula | minuscula Grunow | Page -- | Plate 14 | Figure 3 | |
| Navicula | minutissima Grunow = Navicula minima Grunow | Page -- | Plate 14 | Figure 15 | |
| Navicula | minutula W.Sm. = Navicula pygmaea Kütz. | Page -- | Plate 10 | Figure 7 | |
| Navicula | molaris Grunow | Page -- | Plate 6 | Figure 19 | Note 145 |
| Navicula | multicostata Grunow = Navicula crabro (Ehrenb.) Kütz. | Page -- | Plate 9 | Figure 2 | |
| Navicula | muralis f. minuta Grunow | Page -- | Plate 14 | Figure 26 | |
| Navicula | muralis f. sublanceolata Grunow | Page -- | Plate 14 | Figure 28 | |
| Navicula | muralis Grunow | Page -- | Plate 14 | Figure 27 | |
| Navicula | mutica Kütz. | Page 95 | Plate 10 | Figure 17 | |
| Navicula | mutica Kütz. [?] = Navicula mutica var. goeppertiana (Bleisch) Grunow | Page -- | Plate 10 | Figure 19 | Note 146 |
| Navicula | mutica var. cohnii (Hilse) Grunow = Navicula mutica Kütz. | Page -- | Plate 10 | Figure 17 | |
| Navicula | mutica var. goeppertiana (Bleisch) Grunow | Page 95 | Plate 10 | Figure 18,18b,19? | |
| Navicula | mutica var. producta Grunow | Page -- | Plate 10 | Figure 20a | |
| Navicula | mutica var. quinquenodis Grunow | Page 95 | Plate 10 | Figure 21 | |
| Navicula | mutica var. subundulata Grunow | Page -- | Plate 10 | Figure 20b | |
| Navicula | mutica var. undulata (Hilse) Grunow | Page 95 | Plate 10 | Figure 20c | |
| Navicula | mutica var. ventricosa (Kütz.) Cleve et Grunow | Page 96 | Plate 4 | Figure 1b | |
| Navicula | naveana Grunow | Page -- | Plate 6 | Figure 29 | |
| Navicula | neglectum (Thwaites) Grunow = Navicula gracilis var. schizonemoides Van Heurck | Page 83 | Plate 7 | Figure 9,10 | |
| Navicula | nivalis Ehrenb. ? = Navicula mutica var. quinquenodis Grunow | Page -- | Plate 10 | Figure 21 | |
| Navicula | nobilis (Ehrenb.) Kütz. | Page 73 | Plate 5 | Figure 2 | |
| Navicula | nobilis var. dactylus (Ehrenb.) Van Heurck | Page 73 | Plate 5 | Figure 1 | |
| Navicula | nobilis var. [Van Heurck] = Navicula nobilis (Ehrenb.) Kütz. | Page -- | Plate 5 | Figure 2 | |
| Navicula | oblonga Kütz. | Page 81 | Plate 7 | Figure 1 | |
| Navicula | oblongella Nägeli = Navicula elliptica var. oblongella (Nägeli) Grunow | Page -- | Plate 10 | Figure 12 | |
| Navicula | oculata Bréb. | Page 92 | Plate 9 | Figure 10 | |
| Navicula | ostrearia (Gaillon) Bory = Navicula fusiformis var. ostrearia (Gaillon) Grunow | Page -- | Plate 14 | Figure 33 | Note 147 |
| Navicula | palpebralis Bréb. | Page 96 | Plate 11 | Figure 9 | |
| Navicula | palpebralis var. angulosa (W.Greg.) Van Heurck | Page 97 | Plate 11 | Figure 10 | |
| Navicula | palpebralis var. barklayana (W.Greg. ?) Van Heurck | Page 97 | Plate 11 | Figure 12 | |
| Navicula | palpebralis var. minor Grunow | Page 97 | Plate 11 | Figure 11 | |
| Navicula | palpebralis var. obtusa Van Heurck | Page 97 | Plate 11 | Figure 8 | |
| Navicula | palprebralis var. [Van Heurck] = Navicula palpebralis var. obtusa Van Heurck | Page -- | Plate 11 | Figure 8 | |
| Navicula | pandura Bréb. = Navicula crabro (Ehrenb.) Kütz. | Page -- | Plate 9 | Figure 1 | |
| Navicula | parmula Nägeli = Gomphonema angustatum (Kütz.) Grunow | Page -- | Plate 24 | Figure 49,50 | |
| Navicula | parva (Ehrenb.) Ralfs = Navicula stauroptera var. parva Grunow | Page -- | Plate 6 | Figure 6 | Note 148 |
| Navicula | patula W.Sm. | Page -- | Plate sB | Figure 29b | |
| Navicula | pelliculosa (Bréb.) Hilse | Page -- | Plate 14 | Figure 32 | |
| Navicula | pellucida Ehrenb. = Amphipleura pellucida Kütz. | Page -- | Plate 17 | Figure 14 | |
| Navicula | peregrina (Ehrenb.) Kütz. | Page 81 | Plate 7 | Figure 2 | |
| Navicula | peregrina var. menisculus (Schum.) Grunow | Page 82 | Plate 8 | Figure 20,21,22 | |
| Navicula | peregrina var. menisculus f. upsaliensis (Grunow) Van Heurck | Page 82 | Plate 8 | Figure 23,24 | |
| Navicula | peregrina var. meniscus (Schum.) Grunow | Page 82 | Plate 8 | Figure 19 | |
| Navicula | permagna (Bailey) A.M.Edwards | Page 102 | Plate 11 | Figure 1 | Note 149 |
| Navicula | perminuta Grunow | Page -- | Plate 14 | Figure 7 | |
| Navicula | perpusilla Grunow | Page -- | Plate 14 | Figure 22,23 | |
| Navicula | pfitzeriana O'Meara = Navicula vacillans A.W.F. Schmidt | Page -- | Plate 9 | Figure 9 | |
| Navicula | phyllepta Kütz. = Navicula lanceolata var. phyllepta (Kütz.) Van Heurck | Page 88 | Plate 8 | Figure 40 | |
| Navicula | placentula Ehrenb. = Navicula gastrum var. placentula (Ehrenb.) Van heurck | Page 87 | Plate 8 | Figure 28 | |
| Navicula | placentula f. minor Grunow = Navicula gastrum var. placentula (Ehrenb.) Van Heurck | Page -- | Plate 8 | Figure 26 | |
| Navicula | placentula var. ? anglica (Ralfs) Grunow = Navicula anglica Ralfs | Page -- | Plate 8 | Figure 29,30 | |
| Navicula | polyonca Bréb. | Page 80 | Plate sA | Figure 14 | Note 150 |
| Navicula | praetexta Ehrenb. | Page 92 | Plate 9 | Figure 13 | |
| Navicula | producta W.Sm. = Navicula iridis var. producta (W.Sm.) Van Heurck | Page -- | Plate 13 | Figure 3 | |
| Navicula | pseudo-bacillum Grunow | Page 106 | Plate 13 | Figure 9 | |
| Navicula | puella Schum. ? = Navicula elliptica var. minima Van Heurck | Page -- | Plate 10 | Figure 11 | |
| Navicula | pumila Grunow | Page -- | Plate 8 | Figure 6,7 | |
| Navicula | pumila Grunow | Page -- | Plate 14 | Figure 35 | |
| Navicula | punctulata Ehrenb. = Navicula serians Bréb. | Page -- | Plate 12 | Figure 7 | |
| Navicula | punctulata W.Sm. = Navicula marina Ralfs | Page -- | Plate 11 | Figure 16 | |
| Navicula | pupula Kütz. | Page 106 | Plate 13 | Figure 15,16 | |
| Navicula | pupula f. minuta Grunow = Navicula pupula Kütz. | Page -- | Plate 13 | Figure 16 | |
| Navicula | pusilla W.Sm. | Page 99 | Plate 11 | Figure 17 | |
| Navicula | pygmaea Kütz. | Page 94 | Plate 10 | Figure 7 | |
| Navicula | pygmaea var. ? balnearis Grunow = Navicula balnearis Grunow | Page -- | Plate 10 | Figure 8 | |
| Navicula | quinquenodis Grunow = N. mutica var. quinquenodis Grunow | Page -- | Plate 10 | Figure 21 | |
| Navicula | rabenhorstii Grunow | Page 76 | Plate ? | Figure ? | Note 151 |
| Navicula | radiosa Kütz. | Page 83 | Plate 7 | Figure 20 | |
| Navicula | radiosa var. acuta (W.Sm.) Grunow | Page 83 | Plate 7 | Figure 19 | |
| Navicula | radiosa var. tenella (Bréb.) Van Heurck | Page 84 | Plate 7 | Figure 21,22 | |
| Navicula | rectangulata W.Greg. | Page 74 | Plate sA | Figure 7 | |
| Navicula | reichardti Grunow | Page -- | Plate 10 | Figure 9 | |
| Navicula | reinhardti Grunow | Page 86 | Plate 7 | Figure 5,6 | |
| Navicula | reinhardti var. gracillior Grunow | Page 87 | Plate ? | Figure ? | |
| Navicula | retusa Bréb. | Page 76 | Plate sA | Figure 9 | |
| Navicula | retusa var. subretusa Grunow | Page 77 | Plate sA | Figure 10 | |
| Navicula | rhomboides Ehrenb. = Vanheurckia romboides (Ehrenb.) Bréb. | Page -- | Plate 17 | Figure 1 | |
| Navicula | rhombulus Schum. ? ? = Navicula pumila Grunow | Page -- | Plate 8 | Figure 6,7 | |
| Navicula | rhynchocephala Kütz. | Page 84 | Plate 7 | Figure 31 | |
| Navicula | rhynchocephala var. amphiceros (Kütz.) Grunow | Page 84 | Plate 7 | Figure 30 | |
| Navicula | rhynchocephala var. rostellata (Kütz.) Cleve et Grunow | Page 84 | Plate 7 | Figure 23,24 | |
| Navicula | rostellata f. minor Grunow = Navicula rhynchocephla var. rostellata (Kütz.) Cleve et Grunow | Page -- | Plate 7 | Figure 24 | |
| Navicula | rostellata Kütz. ? = Navicula rhynchocephala var. rostellata (Kütz.) Cleve et Grunow | Page 84 | Plate 7 | Figure 23,24 | |
| Navicula | rostrata Ehrenb. ? = Navicula sculpta Ehrenb. | Page -- | Plate 12 | Figure 1 | |
| Navicula | rostrata W.Sm. = Navicula integra W.Sm. | Page -- | Plate 11 | Figure 22 | |
| Navicula | rotaeana (Rabenh.) Grunow | Page -- | Plate 14 | Figure 17 | |
| Navicula | rotaeana f. minor, tenuistriata Grunow | Page -- | Plate 14 | Figure 19 | |
| Navicula | rotaeana var. [Grunow] | Page -- | Plate 14 | Figure 18 | |
| Navicula | rotaeana var. excentrica Grunow | Page -- | Plate 14 | Figure 20 | |
| Navicula | rotaeana var. oblongella Grunow | Page -- | Plate 14 | Figure 21 | |
| Navicula | rotundata Hantzsch = Navicula pygmaea Kütz. | Page -- | Plate 10 | Figure 7 | |
| Navicula | salinarum Grunow | Page 82 | Plate 8 | Figure 9 | |
| Navicula | saugerri Desm. | Page -- | Plate 14 | Figure 8a | |
| Navicula | saugerri var. striis tenuioribus ? Grunow | Page -- | Plate 14 | Figure 16b | |
| Navicula | saxonica Rabenh. = Vanheurckia rhomboides var. crassinerva (Bréb.) Grunow | Page 112 | Plate 17 | Figure 4,5 | |
| Navicula | scalpellum Kütz. ? = Pleurosigma spencerii var. nodifera Grunow | Page -- | Plate 21 | Figure 13 | |
| Navicula | scalprum Gaillon et Turpin ? = Pleurosigma scalprum Grunow | Page -- | Plate 20 | Figure 4 | |
| Navicula | schumanniana Grunow | Page 99 | Plate 11 | Figure 21 | Note 152 |
| Navicula | sculpta Ehrenb. | Page 100 | Plate 12 | Figure 1 | |
| Navicula | scutellum O'Meara = Navicula smithii var. scutellum (O'Meara) Van Heurck | Page 91 | Plate 9 | Figure 11 | |
| Navicula | scutum Schum. ? | Page 98 | Plate 11 | Figure 14 | |
| Navicula | seminulum f. major Grunow = Navicula seminulum Grunow | Page -- | Plate 14 | Figure 9a | |
| Navicula | seminulum Grunow | Page 107 | Plate 14 | Figure 8b,9 | |
| Navicula | seminulum var. [Grunow] = Navicula seminulum Grunow | Page -- | Plate 14 | Figure 9b | |
| Navicula | seminulum var. fragilarioides Grunow | Page -- | Plate 14 | Figure 10 | |
| Navicula | serians Bréb. | Page 101 | Plate 12 | Figure 7 | Note 153 |
| Navicula | serians var. brachysira Van Heurck | Page 101 | Plate sB | Figure 31 | Note 154 |
| Navicula | serians var. minima Grunow | Page -- | Plate 12 | Figure 9 | |
| Navicula | serians var. minor Grunow | Page -- | Plate 12 | Figure 8 | |
| Navicula | serians var. thermalis Grunow | Page -- | Plate 12 | Figure 10 | |
| Navicula | sigmoidea Ehrenb. = Nitzschia sigmoidea (Ehrenb.) W.Sm. | Page -- | Plate 63 | Figure 5,6,7 | |
| Navicula | silicula Ehrenb., partim ? = Navicula silicula Grunow | Page -- | Plate 12 | Figure 21 | |
| Navicula | silicula Grunow | Page -- | Plate 12 | Figure 21 | |
| Navicula | slesvicensis Grunow = Navicula viridula var. slesvicensis Grunow | Page 84 | Plate 7 | Figure 28,29 | |
| Navicula | smithii Bréb. | Page 91 | Plate 9 | Figure 12 | |
| Navicula | smithii Bréb. | Page 91 | Plate sB | Figure 23 | |
| Navicula | smithii var. [Van Heurck] = Navicula smithii Bréb. | Page -- | Plate sB | Figure 23 | |
| Navicula | smithii var. scutellum (O'Meara) Van Heurck | Page 91 | Plate 9 | Figure 11 | |
| Navicula | sphaerophora f. minor Grunow = Navicula sphaerophora Kütz. | Page -- | Plate 12 | Figure 3 | |
| Navicula | sphaerophora Kütz. | Page 101 | Plate 12 | Figure 1,2 | |
| Navicula | splendida Ehrenb. ? = Surirella robusta var. splendida (Ehrenb.) Van Heurck | Page 187 | Plate 72 | Figure 4 | |
| Navicula | splendida W.Greg. | Page 90 | Plate 9 | Figure 4 | Note 155 |
| Navicula | stauroptera Grunow | Page 77 | Plate 6 | Figure 7 | |
| Navicula | stauroptera var. ? [Van Heurck] = Navicula tabellaria (Ehrenb.) Kütz. | Page -- | Plate 6 | Figure 8 | |
| Navicula | stauroptera var. parva Grunow | Page 78 | Plate 6 | Figure 6 | |
| Navicula | stauroptera α gracilis Grunow = Navicula stauroptera Grunow | Page -- | Plate 6 | Figure 7 | |
| Navicula | stauroptera β parva Grunow = Navicula parvula var. parva Grunow | Page -- | Plate 6 | Figure 6 | |
| Navicula | styriaca Grunow | Page -- | Plate 17 | Figure 7,8 | |
| Navicula | subcapitata (W.Greg.) Ralfs | Page 78 | Plate 6 | Figure 22 | |
| Navicula | subcapitata var. paucistriata Grunow | Page 79 | Plate 6 | Figure 23 | |
| Navicula | subcapitata var. stauroneiformis Van Heurck = Navicula subcapitata (W.Greg.) Ralfs | Page -- | Plate 6 | Figure 22 | |
| Navicula | subhamulata Grunow | Page 106 | Plate 13 | Figure 14 | |
| Navicula | sublinearis Grunow | Page 76 | Plate 6 | Figure 25,26 | |
| Navicula | subretusa Grunow = Navicula retusa var. subretusa Grunow | Page 77 | Plate sA | Figure 10 | |
| Navicula | subsalina Donkin = Navicula amphisbaena var. subsalina (Donkin) Van Heurck | Page -- | Plate 11 | Figure 6 | |
| Navicula | subsalina f. major = Navicula amphisbaena var. subsalina f. major Van Heurck | Page -- | Plate 11 | Figure 4 | |
| Navicula | tabellaria (Ehrenb.) Kütz. | Page 78 | Plate 6 | Figure 8 | |
| Navicula | tabellaria var. stauroneiformis Van heurck = Navicula tabellaria (Ehrenb.) Kütz. | Page -- | Plate 6 | Figure 8 | |
| Navicula | tabida Rylands ms.= Navicula zellensis Grunow | Page -- | Plate 12 | Figure 14 | |
| Navicula | tenella Bréb. = Navicula radiosa var. tenella | Page 84 | Plate 7 | Figure 21,22 | |
| Navicula | tenuis var. ? sublinearis Grunow = Navicula sublinearis Grunow | Page -- | Plate 6 | Figure 25 | |
| Navicula | termes Ehrenb. [sensu Van Heurck] = Navicula mesolepta var. termes Van Heurck | Page 80 | Plate 6 | Figure 12,13 | |
| Navicula | termes var. stauroneiformis A.W.F.Schmidt = Navicula mesolepta var. termes Van Heurck | Page -- | Plate 6 | Figure 12,13 | |
| Navicula | thuringiaca Kütz. = Pleurosigma angulatum (J.T. Quekett) W.Sm. | Page -- | Plate 18 | Figure 2 | Note 156 |
| Navicula | trevelyana Donkin | Page 74 | Plate sA | Figure 6 | Note 157 |
| Navicula | trinodis W.Sm. partim ? = Achnanthes trinodis (Arn.) Grunow | Page -- | Plate 27 | Figure 50,51,52 | |
| Navicula | trinodis f. minuta Grunow = Navicula contenta Grunow | Page -- | Plate 14 | Figure 31a | |
| Navicula | trinodis var. biceps Grunow = Navicula contenta var. biceps (Arn.) Grunow | Page -- | Plate 14 | Figure 31b | |
| Navicula | trochus (Ehrenb.)??? Schum. = Navicula schumaniana Grunow | Page 99 | Plate 11 | Figure 21 | |
| Navicula | tumens W.Sm. = Navicula sculpta Ehrenb. | Page -- | Plate 12 | Figure 1 | |
| Navicula | tumida Bréb. = Scoliopleura tumida (Bréb.) Rabenh. | Page -- | Plate 17 | Figure 11 | |
| Navicula | tuscula Ehrenb. | Page 95 | Plate 10 | Figure 14 | Note 158 |
| Navicula | vacillans A.W.F.Schmidt | Page 90 | Plate 9 | Figure 9 | |
| Navicula | vacillans f. minuta Grunow = Navicula vacillans A.W.F.Schmidt | Page -- | Plate 9 | Figure 9 | |
| Navicula | veneta Kütz. | Page -- | Plate 14 | Figure 34 | |
| Navicula | veneta Kütz. = Navicula cryptocephala var. veneta (Kütz.) Rabenh. | Page 85 | Plate 8 | Figure 3 | |
| Navicula | veneta var. ? perminuta Grunow = Navicula perminuta Grunow | Page -- | Plate 14 | Figure 7 | |
| Navicula | veneta var. ? pumila Grunow = Navicula pumila Grunow | Page -- | Plate 8 | Figure 6,7 | |
| Navicula | veneta var. ? pumila Grunow = Navicula pumila Grunow | Page -- | Plate 14 | Figure 35 | |
| Navicula | ventricosa (Ehrenb.?) Donkin | Page 103 | Plate 12 | Figure 24 | |
| Navicula | ventricosa f. minuta ? Grunow = Navicula ventricosa var. minuta [sensu Van Heurck] | Page -- | Plate 12 | Figure 26 | |
| Navicula | ventricosa var. minuta [sensu Van Heurck] | Page 103 | Plate 12 | Figure 26 | |
| Navicula | ventricosa var. truncatula Grunow | Page -- | Plate 12 | Figure 25 | |
| Navicula | vernalis Donkin = Navicula reinhardti Grunow | Page -- | Plate 7 | Figure 5,6 | |
| Navicula | viridis Kütz. | Page 73 | Plate 5 | Figure 5 | |
| Navicula | viridis var. commutata Grunow | Page 73 | Plate 5 | Figure 6 | |
| Navicula | viridula f. minor Grunow | Page 84 | Plate 7 | Figure 26 | |
| Navicula | viridula Kütz. | Page 84 | Plate 7 | Figure 25 | |
| Navicula | viridula var. avenacea (Bréb.) Grunow | Page 84 | Plate 7 | Figure 27 | |
| Navicula | viridula var. slesvicensis Grunow | Page 84 | Plate 7 | Figure 28,29 | |
| Navicula | vulpina Kütz. | Page 83 | Plate 7 | Figure 18 | |
| Navicula | weissflogii A.W.F.Schmidt | Page 90 | Plate sB | Figure 21 | |
| Navicula | williamsonii O'Meara | Page -- | Plate 9 | Figure 3 | |
| Navicula | zellensis Grunow | Page -- | Plate 12 | Figure 14 |